42121815

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39551}}^1$

素因数の和:39630

約数の個数: 16

約数和(自身を含む): 68345856

約数和(自身を除く): 26224041

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 39551, 118653, 197755, 593265, 2808121, 8424363, 14040605, 42121815]

約数ペア:

[(1, 42121815), (3, 14040605), (5, 8424363), (15, 2808121), (71, 593265), (213, 197755), (355, 118653), (1065, 39551)]